Glass cover



FIG. 1 is a perspective view of the glass cover showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a top view thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a glass cover, as shown and described. 